Home / 685,569.24-946,073.70-379,639.56

Finding the Fourth Proportional to 685,569.24, 946,073.70 and 379,639.56

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Solution

The fourth proportional to 685,569.24, 946,073.70 and 379,639.56 is: 523,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,569.24 : 946,073.70 = 379,639.56 : x
  2. Step 2: Convert to fraction form
    685,569.24/946,073.70 = 379,639.56/x
  3. Step 3: Cross multiply
    685,569.24x = 946,073.70 × 379,639.56
  4. Step 4: Simplify right side
    685,569.24x = 359,167,003,195.57
  5. Step 5: Solve for x
    x = 359,167,003,195.57/685,569.24
  6. Step 6: Final answer
    x = 523,896.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.